See also:

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear ...

Setting the playing speed (only when the audiobook is playing) (type D audio)
Each time you briefly press (the “RPT” button) while the audiobook is playing, the playing speed changes in the following sequence. ...

Selecting preset channels
Presetting a channel with a preset button allows you to select that channel in a single operation. Up to six SAT1, SAT2 and SAT3 channels each may be preset. ...